Home / 14,799.58-20,424.89-8,831.23

Finding the Fourth Proportional to 14,799.58, 20,424.89 and 8,831.23

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Solution

The fourth proportional to 14,799.58, 20,424.89 and 8,831.23 is: 12,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.58 : 20,424.89 = 8,831.23 : x
  2. Step 2: Convert to fraction form
    14,799.58/20,424.89 = 8,831.23/x
  3. Step 3: Cross multiply
    14,799.58x = 20,424.89 × 8,831.23
  4. Step 4: Simplify right side
    14,799.58x = 180,376,901.31
  5. Step 5: Solve for x
    x = 180,376,901.31/14,799.58
  6. Step 6: Final answer
    x = 12,187.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.